/**
 * Copyright (C) 2015 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jboss.errai.ioc.rebind.ioc.injector.api;

import org.jboss.errai.codegen.meta.MetaClass;
import org.jboss.errai.ioc.rebind.ioc.extension.IOCExtensionConfigurator;

/**
 * A callback registered by an {@link IOCExtensionConfigurator} to the {@link InjectionContext} via
 * {@link InjectionContext#registerMetaClassCallback(ExtensionTypeCallback).
 *
 * @see InjectionContext#registerExactTypeInjectableProvider(org.jboss.errai.ioc.rebind.ioc.graph.impl.InjectableHandle, InjectableProvider)
 * @see InjectionContext#registerInjectableProvider(org.jboss.errai.ioc.rebind.ioc.graph.impl.InjectableHandle, InjectableProvider)
 *
 * @author Max Barkley <mbarkley@redhat.com>
 */
public interface ExtensionTypeCallback {

  default void init() {}
  void callback(MetaClass type);
  default void finish() {}

}
